20405344

素因数分解:

$2^5\times {\mathrm{127}}^1\times {\mathrm{5021}}^1$

素因数の和:5158

約数の個数: 24

約数和(自身を含む): 40497408

約数和(自身を除く): 20092064

約数列:

[1, 2, 4, 8, 16, 32, 127, 254, 508, 1016, 2032, 4064, 5021, 10042, 20084, 40168, 80336, 160672, 637667, 1275334, 2550668, 5101336, 10202672, 20405344]

約数ペア:

[(1, 20405344), (2, 10202672), (4, 5101336), (8, 2550668), (16, 1275334), (32, 637667), (127, 160672), (254, 80336), (508, 40168), (1016, 20084), (2032, 10042), (4064, 5021)]